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Modern ASR is shockingly robust. The biggest predictor of accuracy? How well your audio matches its training data.

The "memory effect" is dead. Here's why charging to 80% is the new rule for phone and EV battery longevity.

Manners aren't disappearing—they're becoming context-aware. Learn why a "Hey" might be more polite than a "Dear Sir" in the digital age.

CNN is back in Tehran. Explore the high-stakes tradecraft and digital security journalists use to survive and report from inside a hostile state.